org/homelinux/largo/games/board/chessboard/ChessBoard.java
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Fri, 17 Dec 2010 22:33:17 +0100
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/**
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 *   $Id: ChessBoard.java 152 2008-04-27 02:04:31Z mbroeker $
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 *  $URL: http://localhost/svn/eclipse/Schachspiel/trunk/org/homelinux/largo/games/board/chessboard/ChessBoard.java $
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 */
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package org.homelinux.largo.games.board.chessboard;
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import java.awt.Image;
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import org.homelinux.largo.games.board.Board;
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import org.homelinux.largo.games.board.Piece;
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import org.homelinux.largo.utils.ImgComponent;
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public class ChessBoard extends Board {
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    static final long serialVersionUID = 1L;
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    static final int ROOK = 1;
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    static final int KNIGHT = 2;
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    static final int BISHOP = 3;
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    static final int QUEEN = 4;
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    static final int KING = 5;
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    static final int PAWN = 6;
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    final Piece white_queen = new Piece(new ImgComponent("images/white_queen.png").getImage(), "white", QUEEN, 90);
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    final Piece black_queen = new Piece(new ImgComponent("images/black_queen.png").getImage(), "black", QUEEN, 90);
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    boolean white_rochades_small;
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    boolean white_rochades_big;
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    boolean black_rochades_small;
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    boolean black_rochades_big;
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    void initBoard() {
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        add(new ImgComponent("images/black_rook.png").getImage(), 0, "black", ROOK);
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        add(new ImgComponent("images/black_knight.png").getImage(), 1, "black", KNIGHT);
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        add(new ImgComponent("images/black_bishop.png").getImage(), 2, "black", BISHOP);
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        add(new ImgComponent("images/black_queen.png").getImage(), 3, "black", QUEEN);
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        add(new ImgComponent("images/black_king.png").getImage(), 4, "black", KING);
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        add(new ImgComponent("images/black_bishop.png").getImage(), 5, "black", BISHOP);
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        add(new ImgComponent("images/black_knight.png").getImage(), 6, "black", KNIGHT);
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        add(new ImgComponent("images/black_rook.png").getImage(), 7, "black", ROOK);
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        for (int i = 0; i < 8; i++)
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            add(new ImgComponent("images/black_pawn.png").getImage(), 8 + i, "black", PAWN);
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        add(new ImgComponent("images/white_rook.png").getImage(), 56, "white", ROOK);
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        add(new ImgComponent("images/white_knight.png").getImage(), 57, "white", KNIGHT);
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        add(new ImgComponent("images/white_bishop.png").getImage(), 58, "white", BISHOP);
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        add(new ImgComponent("images/white_queen.png").getImage(), 59, "white", QUEEN);
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        add(new ImgComponent("images/white_king.png").getImage(), 60, "white", KING);
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        add(new ImgComponent("images/white_bishop.png").getImage(), 61, "white", BISHOP);
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        add(new ImgComponent("images/white_knight.png").getImage(), 62, "white", KNIGHT);
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        add(new ImgComponent("images/white_rook.png").getImage(), 63, "white", ROOK);
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        for (int i = 0; i < 8; i++)
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            add(new ImgComponent("images/white_pawn.png").getImage(), 55 - i, "white", PAWN);
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    }
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    /**
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     * The init method initializes a complete chess board with figures and a
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     * history.
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     */
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    public void init() {
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        super.init();
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        initBoard();
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        board_pieces = getPieces();
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        repaint();
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    }
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    public ChessBoard(int w, int h) {
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        super(w, h);
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    }
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    void add(Image img, int i, String c, int t) {
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        int v = 0;
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        switch (t) {
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        case ROOK:
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            v = 80;
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            break;
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        case KNIGHT:
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            v = 30;
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            break;
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        case BISHOP:
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            v = 30;
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            break;
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        case QUEEN:
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            v = 90;
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            break;
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        case KING:
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            v = 120;
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            break;
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        case PAWN:
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            v = 10;
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            break;
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        }
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        setPiece(i, new Piece(img, c, t, v));
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    }
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    /**
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     * returns true, when the white king is at pieces[i]
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     */
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    public boolean isWhiteKing(int i) {
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        if (isWhite(i) && getType(i) == KING)
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            return true;
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        return false;
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    }
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    /**
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     * returns true, when the black king is at pieces[i]
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     */
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    public boolean isBlackKing(int i) {
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        if (isBlack(i) && getType(i) == KING)
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            return true;
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        return false;
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    }
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    /**
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     * Returns the score of the current position Every field controlled by
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     * [color] gives one point A King, controlled by [color], gives 10 extra
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     * points
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     */
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    public int controls(String color) {
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        int t, o;
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        int value = 0;
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        for (o = 0; o < 64; o++) {
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            if (color.equals(getColor(o))) {
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                for (t = 0; t < 64; t++) {
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                    if (validMove(t, o)) {
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                        if (getType(t) == KING)
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                            value += 10;
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                        value++;
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                    }
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                }
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            }
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        }
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        return value;
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    }
0
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13
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    /**
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     * Checks, wether this move is possible or not.
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     */
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    public boolean validMove(int t, int o) {
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        int steps;
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        int rows;
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        int dx;
0
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13
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        /* Must be here */
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        white_rochades_small = false;
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        white_rochades_big = false;
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        black_rochades_small = false;
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        black_rochades_big = false;
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13
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        if (t == o)
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            return false;
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13
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        if (isSamePiece(t, o))
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            return false;
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13
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        if (getType(o) == EMPTY)
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            return false;
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13
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        /*
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         * 00 01 02 03 04 05 06 07
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         * 08 09 10 11 12 13 14 15
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         * 16 17 18 19 20 21 22 23
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         * 24 25 26 27 28 29 30 31
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         * 32 33 34 35 36 37 38 39
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         * 40 41 42 43 44 45 46 47
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         * 48 49 50 51 52 53 54 55
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         * 56 57 58 59 60 61 62 63
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         */
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        steps = Math.abs(t - o);
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        rows = Math.abs(t / 8 - o / 8);
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13
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        switch (getType(o)) {
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        case ROOK:
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            if (steps < 8 && rows == 0) {
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                if (t > o)
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                    for (dx = o + 1; dx < t; dx++) {
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                        if (getColor(dx) != null) {
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                            return false;
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                        }
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                    }
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                else
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                    for (dx = o - 1; dx > t; dx--) {
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                        if (getColor(dx) != null) {
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                            return false;
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                        }
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                    }
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                return true;
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            }
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            if (steps % 8 == 0) {
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                if (t > o) {
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                    for (dx = o + 8; dx < t; dx += 8) {
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                        if (getColor(dx) != null)
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                            return false;
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                    }
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                } else {
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                    for (dx = o - 8; dx > t; dx -= 8) {
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                        if (getColor(dx) != null)
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                            return false;
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                    }
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                }
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                if (steps == 8 && rows == 1)
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                    return true;
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                if (steps == 16 && rows == 2)
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                    return true;
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                if (steps == 24 && rows == 3)
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                    return true;
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                if (steps == 32 && rows == 4)
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                    return true;
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                if (steps == 40 && rows == 5)
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                    return true;
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                if (steps == 48 && rows == 6)
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                    return true;
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                if (steps == 56 && rows == 7)
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                    return true;
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            }
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            break;
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        case KNIGHT:
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            /* works fine */
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            if (steps == 6 && rows == 1)
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                return true;
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            if (steps == 10 && rows == 1)
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                return true;
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            if (steps == 15 && rows == 2)
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                return true;
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            if (steps == 17 && rows == 2)
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                return true;
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            break;
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        case BISHOP:
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            if (steps % 7 == 0) {
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                if (t > o) {
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                    for (dx = o + 7; dx < t; dx += 7) {
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                        if (getColor(dx) != null)
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                            return false;
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                    }
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                } else {
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                    for (dx = o - 7; dx > t; dx -= 7) {
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                        if (getColor(dx) != null)
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                            return false;
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                    }
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                }
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                if (steps == 7 && rows == 1)
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                    return true;
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                if (steps == 14 && rows == 2)
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                    return true;
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                if (steps == 21 && rows == 3)
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                    return true;
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                if (steps == 28 && rows == 4)
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                    return true;
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                if (steps == 35 && rows == 5)
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                    return true;
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                if (steps == 42 && rows == 6)
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                    return true;
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                if (steps == 49 && rows == 7)
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                    return true;
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            }
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            if (steps % 9 == 0) {
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diff changeset
   263
                if (t > o) {
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diff changeset
   264
                    for (dx = o + 9; dx < t; dx += 9) {
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   265
                        if (getColor(dx) != null)
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   266
                            return false;
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diff changeset
   267
                    }
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diff changeset
   268
                } else {
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diff changeset
   269
                    for (dx = o - 9; dx > t; dx -= 9) {
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   270
                        if (getColor(dx) != null)
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   271
                            return false;
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   272
                    }
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diff changeset
   273
                }
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diff changeset
   274
                if (steps == 9 && rows == 1)
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   275
                    return true;
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diff changeset
   276
                if (steps == 18 && rows == 2)
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   277
                    return true;
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diff changeset
   278
                if (steps == 27 && rows == 3)
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diff changeset
   279
                    return true;
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diff changeset
   280
                if (steps == 36 && rows == 4)
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diff changeset
   281
                    return true;
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diff changeset
   282
                if (steps == 45 && rows == 5)
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diff changeset
   283
                    return true;
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diff changeset
   284
                if (steps == 54 && rows == 6)
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   285
                    return true;
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diff changeset
   286
                if (steps == 63 && rows == 7)
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diff changeset
   287
                    return true;
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diff changeset
   288
            }
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   289
            break;
0
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   290
13
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diff changeset
   291
        case QUEEN:
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diff changeset
   292
            if (steps < 8 && rows == 0) {
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diff changeset
   293
                if (t > o)
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diff changeset
   294
                    for (dx = o + 1; dx < t; dx++) {
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diff changeset
   295
                        if (getColor(dx) != null)
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diff changeset
   296
                            return false;
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diff changeset
   297
                    }
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diff changeset
   298
                else
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diff changeset
   299
                    for (dx = o - 1; dx > t; dx--) {
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diff changeset
   300
                        if (getColor(dx) != null)
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diff changeset
   301
                            return false;
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diff changeset
   302
                    }
f83884cc7d2f Source Code re-formatted
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diff changeset
   303
                return true;
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diff changeset
   304
            }
0
e0dbaef72362 svn copy of the chess engine
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parents:
diff changeset
   305
13
f83884cc7d2f Source Code re-formatted
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diff changeset
   306
            if (steps % 8 == 0) {
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diff changeset
   307
                if (t > o) {
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diff changeset
   308
                    for (dx = o + 8; dx < t; dx += 8) {
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diff changeset
   309
                        if (getColor(dx) != null)
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diff changeset
   310
                            return false;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   311
                    }
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   312
                } else {
f83884cc7d2f Source Code re-formatted
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diff changeset
   313
                    for (dx = o - 8; dx > t; dx -= 8) {
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diff changeset
   314
                        if (getColor(dx) != null)
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parents: 11
diff changeset
   315
                            return false;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   316
                    }
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   317
                }
0
e0dbaef72362 svn copy of the chess engine
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parents:
diff changeset
   318
13
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   319
                if (steps == 8 && rows == 1)
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diff changeset
   320
                    return true;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   321
                if (steps == 16 && rows == 2)
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diff changeset
   322
                    return true;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   323
                if (steps == 24 && rows == 3)
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parents: 11
diff changeset
   324
                    return true;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   325
                if (steps == 32 && rows == 4)
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parents: 11
diff changeset
   326
                    return true;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   327
                if (steps == 40 && rows == 5)
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parents: 11
diff changeset
   328
                    return true;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   329
                if (steps == 48 && rows == 6)
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   330
                    return true;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   331
                if (steps == 56 && rows == 7)
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parents: 11
diff changeset
   332
                    return true;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   333
            }
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   334
            if (steps % 7 == 0) {
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parents: 11
diff changeset
   335
                if (t > o) {
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   336
                    for (dx = o + 7; dx < t; dx += 7) {
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parents: 11
diff changeset
   337
                        if (getColor(dx) != null)
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   338
                            return false;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   339
                    }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   340
                } else {
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   341
                    for (dx = o - 7; dx > t; dx -= 7) {
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parents: 11
diff changeset
   342
                        if (getColor(dx) != null)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   343
                            return false;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   344
                    }
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   345
                }
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   346
                if (steps == 7 && rows == 1)
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   347
                    return true;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   348
                if (steps == 14 && rows == 2)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   349
                    return true;
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   350
                if (steps == 21 && rows == 3)
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   351
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   352
                if (steps == 28 && rows == 4)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   353
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   354
                if (steps == 35 && rows == 5)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   355
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   356
                if (steps == 42 && rows == 6)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   357
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   358
                if (steps == 49 && rows == 7)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   359
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   360
            }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   361
13
f83884cc7d2f Source Code re-formatted
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parents: 11
diff changeset
   362
            if (steps % 9 == 0) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   363
                if (t > o) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   364
                    for (dx = o + 9; dx < t; dx += 9) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   365
                        if (getColor(dx) != null)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   366
                            return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   367
                    }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   368
                } else {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   369
                    for (dx = o - 9; dx > t; dx -= 9) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   370
                        if (getColor(dx) != null)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   371
                            return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   372
                    }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   373
                }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   374
                if (steps == 9 && rows == 1)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   375
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   376
                if (steps == 18 && rows == 2)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   377
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   378
                if (steps == 27 && rows == 3)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   379
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   380
                if (steps == 36 && rows == 4)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   381
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   382
                if (steps == 45 && rows == 5)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   383
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   384
                if (steps == 54 && rows == 6)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   385
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   386
                if (steps == 63 && rows == 7)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   387
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   388
            }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   389
            break;
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   390
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   391
        case KING:
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   392
            if ((steps == 1) && (rows == 0))
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   393
                return true;
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   394
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   395
            if ((steps == 8) && (rows == 1))
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   396
                return true;
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   397
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   398
            if ((steps == 7) && (rows == 1))
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   399
                return true;
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   400
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   401
            if ((steps == 9) && (rows == 1))
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   402
                return true;
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   403
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   404
            if ((steps == 2) && (rows == 0)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   405
                if (isWhiteKing(o)) { /* White: Rochade */
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   406
                    if (isWhiteKing(60) && isEmpty(61) && isEmpty(62) && (t == 62)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   407
                        if ((getType(63) == ROOK) && isWhite(63)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   408
                            white_rochades_small = true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   409
                            return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   410
                        }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   411
                    }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   412
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   413
                    if (isWhiteKing(60) && isEmpty(59) && isEmpty(58) && isEmpty(57) && (t == 58)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   414
                        if ((getType(56) == ROOK) && isWhite(56)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   415
                            white_rochades_big = true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   416
                            return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   417
                        }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   418
                    }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   419
                }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   420
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   421
                if (isBlackKing(o)) { /* Black: Rochade */
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   422
                    if (isBlackKing(4) && isEmpty(5) && isEmpty(6) && (t == 6)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   423
                        if ((getType(7) == ROOK) && isBlack(7)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   424
                            black_rochades_small = true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   425
                            return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   426
                        }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   427
                    }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   428
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   429
                    if (isBlackKing(4) && isEmpty(3) && isEmpty(2) && isEmpty(1) && (t == 2)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   430
                        if ((getType(0) == ROOK) && isBlack(0)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   431
                            black_rochades_big = true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   432
                            return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   433
                        }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   434
                    }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   435
                }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   436
            }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   437
            break;
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   438
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   439
        case PAWN:
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   440
            if (getColor(o).equals("white")) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   441
                if (steps == 7 && rows == 1 && isEnemy(t, o) && t < o)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   442
                    return true;
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   443
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   444
                if (steps == 9 && rows == 1 && isEnemy(t, o) && t < o)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   445
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   446
            } else {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   447
                if (steps == 7 && rows == 1 && isEnemy(t, o) && t > o)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   448
                    return true;
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   449
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   450
                if (steps == 9 && rows == 1 && isEnemy(t, o) && t > o)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   451
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   452
            }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   453
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   454
            if (steps % 8 == 0) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   455
                if (t > o) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   456
                    for (dx = o + 8; dx <= t; dx += 8) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   457
                        if (getColor(dx) != null)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   458
                            return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   459
                    }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   460
                } else {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   461
                    for (dx = o - 8; dx >= t; dx -= 8) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   462
                        if (getColor(dx) != null)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   463
                            return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   464
                    }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   465
                }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   466
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   467
                if (steps == 8 && rows == 1) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   468
                    if (getColor(o).equals("white") && t < o)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   469
                        return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   470
                    if (getColor(o).equals("black") && t > o)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   471
                        return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   472
                }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   473
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   474
                if (steps == 16 && rows == 2 && (o >= 8 && o <= 15)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   475
                    if (getColor(o).equals("white") && t < o)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   476
                        return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   477
                    if (getColor(o).equals("black") && t > o)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   478
                        return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   479
                }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   480
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   481
                if (steps == 16 && rows == 2 && (o >= 48 && o <= 55)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   482
                    if (getColor(o).equals("white") && t < o)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   483
                        return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   484
                    if (getColor(o).equals("black") && t > o)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   485
                        return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   486
                }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   487
            }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   488
            break;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   489
        }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   490
        return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   491
    }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   492
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   493
    /**
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   494
     * This method must be called immediately after isValidMove(t, o)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   495
     */
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   496
    boolean rochade() {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   497
        if (white_rochades_small) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   498
            setPiece(61, getPiece(63));
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   499
            setPiece(63, new Piece(null, null, EMPTY, 0));
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   500
            return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   501
        }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   502
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   503
        if (white_rochades_big) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   504
            setPiece(59, getPiece(56));
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   505
            setPiece(56, new Piece(null, null, EMPTY, 0));
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   506
            return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   507
        }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   508
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   509
        if (black_rochades_small) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   510
            setPiece(5, getPiece(7));
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   511
            setPiece(7, new Piece(null, null, EMPTY, 0));
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   512
            return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   513
        }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   514
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   515
        if (black_rochades_big) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   516
            setPiece(3, getPiece(0));
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   517
            setPiece(0, new Piece(null, null, EMPTY, 0));
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   518
            return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   519
        }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   520
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   521
        return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   522
    }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   523
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   524
    /**
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   525
     * checks, whether color is in check or not.
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   526
     */
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   527
    public boolean isCheck(String color) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   528
        int i;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   529
        int wking;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   530
        int bking;
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   531
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   532
        wking = bking = -1;
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   533
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   534
        for (i = 0; i < 64; i++) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   535
            if (isWhiteKing(i)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   536
                wking = i;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   537
            }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   538
            if (isBlackKing(i)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   539
                bking = i;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   540
            }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   541
        }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   542
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   543
        // returns 64 false positives
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   544
        if (wking == -1 || bking == -1)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   545
            return true;
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   546
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   547
        if (color.equals("white")) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   548
            for (i = 0; i < 64; i++)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   549
                if (validMove(wking, i)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   550
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   551
                }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   552
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   553
            return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   554
        }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   555
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   556
        if (color.equals("black")) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   557
            for (i = 0; i < 64; i++)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   558
                if (validMove(bking, i)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   559
                    return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   560
                }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   561
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   562
            return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   563
        }
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   564
        return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   565
    }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   566
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   567
    /**
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   568
     * simulates a "valid" move or returns false. all changes are relative to
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   569
     * pieces and will not be painted. This method sets internal variables for
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   570
     * the rochade() method, which will be overwritten.
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   571
     */
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   572
    public boolean simulateMove(int t, int o) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   573
        if (!validMove(t, o)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   574
            return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   575
        }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   576
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   577
        push(getPiece(t), t, getPiece(o), o);
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   578
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   579
        if (getType(o) == PAWN) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   580
            if (isBlack(o) && t >= 56)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   581
                setPiece(o, new Piece(black_queen));
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   582
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   583
            if (isWhite(o) && t <= 7)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   584
                setPiece(o, new Piece(white_queen));
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   585
        }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   586
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   587
        setPiece(t, new Piece(getPiece(o)));
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   588
        setPiece(o, new Piece(null, null, EMPTY, 0));
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   589
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   590
        if (isCheck(getColor(t))) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   591
            /* restore current position */
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   592
            if (UNDO_DEBUG)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   593
                print("UNDO", t, o, 0);
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   594
            undo();
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   595
            return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   596
        }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   597
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   598
        return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   599
    }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   600
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   601
    /**
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   602
     * performs a "valid" move or returns false. all changes are relative to
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   603
     * board_pieces and will be painted.
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   604
     */
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   605
    public boolean doMove(int t, int o) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   606
        if (!validMove(t, o)) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   607
            return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   608
        }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   609
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   610
        push(getPiece(t), t, getPiece(o), o);
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   611
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   612
        if (getType(o) == PAWN) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   613
            if (isBlack(o) && t >= 56)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   614
                setPiece(o, new Piece(black_queen));
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   615
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   616
            if (isWhite(o) && t <= 7)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   617
                setPiece(o, new Piece(white_queen));
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   618
        }
5
42da09368d71 Platform Independend Newlines
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 0
diff changeset
   619
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   620
        setPiece(t, new Piece(getPiece(o)));
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   621
        setPiece(o, new Piece(null, null, EMPTY, 0));
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   622
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   623
        if (rochade())
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   624
            System.out.println("Rochade");
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   625
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   626
        if (isCheck(getColor(t))) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   627
            // restore current positions
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   628
            if (UNDO_DEBUG)
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   629
                print("UNDO", t, o, 0);
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   630
            undo();
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   631
            return false;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   632
        }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   633
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   634
        board_pieces = getPieces();
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   635
        repaint();
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   636
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   637
        moveNr = stack.size();
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   638
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   639
        return true;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   640
    }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   641
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   642
    /**
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   643
     * converts the internal representation into normal chess notation and
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   644
     * writes it to stdout
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   645
     */
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   646
    public void print(String s, int t, int o, int value) {
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   647
        int row1, col1, row2, col2;
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   648
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   649
        row1 = o / 8;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   650
        col1 = o - (8 * row1);
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   651
13
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   652
        row2 = t / 8;
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   653
        col2 = t - (8 * row2);
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   654
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   655
        System.out.printf("%s: %C%d-%c%d = %3d%n", s, ('A') + col1, 8 - row1, ('A') + col2, 8 - row2, value);
f83884cc7d2f Source Code re-formatted
Markus Bröker <mbroeker@largo.homelinux.org>
parents: 11
diff changeset
   656
    }
0
e0dbaef72362 svn copy of the chess engine
Markus Bröker <mbroeker@largo.homelinux.org>
parents:
diff changeset
   657
}